TABLE 2.

Summary of treatment planning data for organs at risk, in the FB plan and DIBH plan, respectively.

Dose	DIBH	FB	p value
Heart
Mean (Gy)	3.6 ± 0.9	5.4 ± 1.6	<0.01
D2% (Gy)	13.4 ± 4.7	19.3 ± 6.1	<0.01
V5 (%)	15.9 ± 9.0	24.1 ± 8.6	<0.01
V10 (%)	4.3 ± 2.7	8.7 ± 5.0	<0.01
LAD coronary artery
Mean (Gy)	3.9 ± 1.1	6.9 ± 1.8	<0.01
V10 (%)	6.4 ± 5.9	15.2 ± 9.7	<0.01
D2% (Gy)	9.0 ± 1.9	19.5 ± 5.8	<0.01
Left lung
Mean (Gy)	9.5 ± 1.3	11.3 ± 1.3	<0.01
D2% (Gy)	44.9 ± 3.4	45.5 ± 3.2	>0.05
V5 (%)	42.5 ± 6.0	49.3 ± 5.0	<0.01
V10 (%)	27.1 ± 4.4	32.0 ± 4.3	<0.01
V20 (%)	16.5 ± 2.6	19.5 ± 3.0	<0.01
Right lung
Mean (Gy)	1.6 ± 0.6	2.1 ± 1.1	<0.01
V5 (%)	3.9 ± 3.0	7.3 ± 4.2	<0.01
Right breast
Mean (Gy)	2.1 ± 0.7	2.6 ± 1.0	<0.01
V5 (%)	5.8 ± 4.4	11.1 ± 5.0	<0.01